67656052 has 12 divisors (see below), whose sum is σ = 118556676. Its totient is φ = 33782720.

The previous prime is 67656049. The next prime is 67656079. The reversal of 67656052 is 25065676.

It can be written as a sum of positive squares in 2 ways, for example, as 1948816 + 65707236 = 1396^2 + 8106^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7849 + ... + 14032.

It is an arithmetic number, because the mean of its divisors is an integer number (9879723).

Almost surely, 2^67656052 is an apocalyptic number.

It is an amenable number.

67656052 is a deficient number, since it is larger than the sum of its proper divisors (50900624).

67656052 is a wasteful number, since it uses less digits than its factorization.

67656052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22658 (or 22656 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 67656052 is about 8225.3299021985. The cubic root of 67656052 is about 407.4761715902.

The spelling of 67656052 in words is "sixty-seven million, six hundred fifty-six thousand, fifty-two".